When 'Toggle Tool Handle Rotation' is selected and toggled between Local and Global. In the scene view applied changes only get reflected only when Mouse has hovered over an object. Refer attached videos.

Steps to repro:
1. Create a new project.
2. Click on the Hand, Rect, Move Tool button
3. Click the Local/Global button on the right to toggle between Local and Global.
4. Observe the Gizmo rotation relative to the GameObject get reflected only when Mouse hovered over an object

Actual Result:
Gizmo rotation relative to the GameObject gets reflected only when Mouse has hovered over an object.

Expected Result:
Gizmo rotation relative to the GameObject gets reflected as soon as Local/Global button toggle.

Occurring on:
2021.1.0b1, 2021.1.0a1

Working fine on:
2020.2.0f1, 2020.1.17f1, 2019.4.16f1

Environment:
Winodws 10 and mac OS 10.15